Cheap Frontier Airlines flights Portland (PDX) to Washington (IAD)

Cheap Frontier Airlines flights Portland (PDX) to Washington (IAD)

Prices were available within the past 7 days and start at for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 8 - Mon, Aug 11

PDX

Portland

IAD

Washington

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Portland to Washington, returning Mon, Aug 11, priced at $339 found 1 day ago

Fri, Aug 8 - Sun, Aug 10

PDX

Portland

IAD

Washington

$414 Roundtrip, found 1 day ago

$414

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Portland to Washington, returning Sun, Aug 10, priced at $414 found 1 day ago